Train problem- 396 passengers

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1. If Bob has an amount equal to 2/3 of the doughnuts.





2.The Answer to the question is (three times three times three).





3.





4. (Six times six) plus one spent, six times seven brought.





5. Bob has six times seven dollars left after buying and selling cards.





6. 42 marbles total; Mike - marbles, James - 11 marbles, Derek - 22 marbles





7.





8. You started on staircase [(six times six) plus one].

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Brainbusters

Fly question.
Algebra question (a + b - c).
Lottery question.